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10421312362540 = 225521065618127
BaseRepresentation
bin1001011110100110011010…
…0111110001100000101100
31100220021020011202211000221
42113221212213301200230
52331220321431100130
634055252415101124
72123625556342132
oct227514647614054
940807204684027
1010421312362540
113358721166882
1212038785117a4
135a7958017471
142805739d5752
151311378da87a
hex97a669f182c

10421312362540 has 12 divisors (see below), whose sum is σ = 21884755961376. Its totient is φ = 4168524945008.

The previous prime is 10421312362511. The next prime is 10421312362541. The reversal of 10421312362540 is 4526321312401.

10421312362540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10421312362496 and 10421312362505.

It is not an unprimeable number, because it can be changed into a prime (10421312362541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260532809044 + ... + 260532809083.

It is an arithmetic number, because the mean of its divisors is an integer number (1823729663448).

Almost surely, 210421312362540 is an apocalyptic number.

10421312362540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10421312362540 is an abundant number, since it is smaller than the sum of its proper divisors (11463443598836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421312362540 is a wasteful number, since it uses less digits than its factorization.

10421312362540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521065618136 (or 521065618134 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 10421312362540 its reverse (4526321312401), we get a palindrome (14947633674941).

The spelling of 10421312362540 in words is "ten trillion, four hundred twenty-one billion, three hundred twelve million, three hundred sixty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 521065618127 1042131236254 2084262472508 2605328090635 5210656181270 10421312362540